credentials · Supported

Maintainers

• M Paul Moore <paul@paul-moore.com>
• R Serge Hallyn <sergeh@kernel.org>

Paths

• F include/linux/cred.h
• F kernel/cred.c
• F rust/kernel/cred.rs
• F Documentation/security/credentials.rst

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH RFC v3 0/4] exec: introduce task_exec_state for exec-time metadata
  2026-05-21 10:05 · 1 reply in 7d · "Christian Brauner (Amutable)" <brauner@kernel.org>

Active reviewers (last 30 days)

• Jann Horn <jannh@google.com>
  1 attestation (1 Reviewed-by) · last on 2026-05-20

Recent patches

Most-recent 30 patches in this subsystem on linux-mm (capped at 30), ordered by date desc.

• WARM1d Re: [PATCH RFC v3 4/4] exec_state: relocate dumpable information
  2026-05-21 · Christian Brauner <brauner@kernel.org>
• WARM1d REVIEWED: 3 (3M) [PATCH RFC v3 4/4] exec_state: relocate dumpable information
  2026-05-20 · "Christian Brauner (Amutable)" <brauner@kernel.org>
• COOLING7d [PATCH RFC v2 5/5] cred: switch dumpability lowering to task_exec_state
  2026-05-20 · Christian Brauner <brauner@kernel.org>
• COOLING7d [PATCH RFC v2 4/5] exec_state: relocate dumpable information
  2026-05-20 · Christian Brauner <brauner@kernel.org>
• STALE86d REVIEWED: 31 (30M) [PATCH v16 03/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-24 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE92d REVIEWED: 31 (30M) [PATCH v15 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-20 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE110d REVIEWED: 5 (5M) [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-04 · Andreas Hindborg <a.hindborg@kernel.org>
• DORMANTno replies [PATCH v19] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-12-19 · Bernd Edlinger <hidden>
• STALE183d [RFC][PATCH] exec: Move cred computation under exec_update_lock
  2025-11-20 · Eric W. Biederman <hidden>
• STALE160d [PATCH v18] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-11-18 · Bernd Edlinger <hidden>
• STALE114d [PATCH v13 2/4] rust: `AlwaysRefCounted` is renamed to `RefCounted`.
  2025-11-17 · Oliver Mangold <hidden>
• STALE209d [PATCH v12 2/4] `AlwaysRefCounted` is renamed to `RefCounted`.
  2025-10-01 · Oliver Mangold <hidden>
• STALE251d LANDED: 1 (0M) [PATCH v2 2/4] copy_process: pass clone_flags as u64 across calltree
  2025-09-01 · Simon Schuster via B4 Relay <devnull+schuster.simon.siemens-energy.com@kernel.org>
• STALE160d [PATCH v17] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-08-21 · Bernd Edlinger <hidden>
• STALE160d [PATCH v16] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-08-18 · Bernd Edlinger <hidden>
• STALE181d [RFC PATCH v2 6/8] cred: Protect live struct cred with kpkeys
  2025-08-15 · Kevin Brodsky <hidden>
• STALE307d [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long
  2025-07-16 · Bhupesh <hidden>
• STALE470d [RFC PATCH 6/8] cred: Protect live struct cred with kpkeys
  2025-02-03 · Kevin Brodsky <hidden>
• STALE160d [PATCH v14] exec: Fix dead-lock in de_thread with ptrace_attach
  2024-01-15 · Bernd Edlinger <hidden>
• STALE160d [PATCH v12] exec: Fix dead-lock in de_thread with ptrace_attach
  2023-10-30 · Bernd Edlinger <hidden>
• STALE1444d REVIEWED: 3 (2M) [PATCH v3] cred: Propagate security_prepare_creds() error code
  2022-06-08 · Frederick Lawler <hidden>
• STALE1461d [PATCH v2] cred: Propagate security_prepare_creds() error code
  2022-05-25 · Frederick Lawler <hidden>
• STALE1465d [PATCH] cred: Propagate security_prepare_creds() error code
  2022-05-20 · Frederick Lawler <hidden>
• DORMANTno replies [PATCH 1/4] ucounts: In set_cred_ucounts assume new->ucounts is non-NULL
  2021-10-18 · Eric W. Biederman <hidden>
• STALE1663d [PATCH 3/3] ucounts: Move get_ucounts from cred_alloc_blank to key_change_session_keyring
  2021-10-18 · Eric W. Biederman <hidden>
• DORMANTno replies [PATCH 2/3] ucounts: Proper error handling in set_cred_ucounts
  2021-10-18 · Eric W. Biederman <hidden>
• DORMANTno replies [PATCH 1/3] ucounts: Pair inc_rlimit_ucounts with dec_rlimit_ucoutns in commit_creds
  2021-10-18 · Eric W. Biederman <hidden>
• DORMANTno replies Re: linux 5.14.3: free_user_ns causes NULL pointer dereference
  2021-10-04 · Eric W. Biederman <hidden>
• STALE1841d [PATCH v11 4/9] Reimplement RLIMIT_NPROC on top of ucounts
  2021-04-22 · legion@kernel.org
• STALE1841d [PATCH v11 2/9] Add a reference to ucounts for each cred
  2021-04-22 · legion@kernel.org

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies [PATCH v19] exec: Fix dead-lock in de_thread with ptrace_attach
  2025-12-19 · Bernd Edlinger <hidden>